Ejemplo n.º 1
0
int writeState() {
	FILE *fp[2];

	if ( ! _dir_exists(_key_file_dir()) )
		return 0;

	if ( ! pppCheckFlags(PPP_FLAGS_PRESENT)) {
		/* Update the key file to include flags */
		pppSetFlags(PPP_FLAGS_PRESENT);
		fp[0] = fopen(_key_file_name(), "w");
		if (fp[0]) {
			_write_data(seqKey(), fp[0]);
			fclose(fp[0]);
		}
	}

	fp[0] = fopen(_cnt_file_name(), "w");
	fp[1] = fopen(_gen_file_name(), "w");
	if (fp[0] && fp[1]) {
		_write_data(currPasscodeNum(), fp[0]);
		fclose(fp[0]);

		_write_data(lastCardGenerated(), fp[1]);
		fclose(fp[1]);

		return 1;
	} else {
		if (fp[0])
			fclose(fp[0]);
		if (fp[1])
			fclose(fp[1]);
	}

	return 0;
}
Ejemplo n.º 2
0
/**
 * Query Cache Pool (If the _WRITE_ Request is Matched)
 * If it's fully matched, update cache and return TRUE,
 * else return FALSE
 */
BOOLEAN QueryAndWriteToCachePool (
	PCACHE_POOL CachePool, PUCHAR Buf, LONGLONG Offset, ULONG Length
#ifdef READ_VERIFY
	,PDEVICE_OBJECT LowerDeviceObject
	,ULONG DiskNumber
	,ULONG PartitionNumber
#endif
)
{
	PUCHAR origBuf;
	ULONG i, front_offset, front_skip, end_cut, origLen;
	BOOLEAN Ret = FALSE;
	BOOLEAN front_broken, end_broken;
	PCACHE_BLOCK *ppInternalBlocks = NULL;

	origBuf = Buf;
	origLen = Length;

	detect_broken(Offset, Length, front_broken, end_broken, front_offset, front_skip, end_cut);
	Offset /= BLOCK_SIZE;
	Length /= BLOCK_SIZE;

	ppInternalBlocks = (PCACHE_BLOCK*) ExAllocatePoolWithTag (
		NonPagedPool,
		(SIZE_T)((Length+2) * sizeof(PCACHE_BLOCK)),
		CACHE_POOL_TAG
	);
	if (ppInternalBlocks == NULL)
		goto l_error;

	// Query Pool to Check If Fully Matched
	if (front_broken == TRUE && _QueryPoolByIndex(CachePool, Offset-1, ppInternalBlocks+0) == FALSE)
		goto l_error;
	for (i = 0; i < Length; i++)
		if (_QueryPoolByIndex(CachePool, Offset+i, ppInternalBlocks+i+1) == FALSE)
			goto l_error;
	if (end_broken == TRUE && _QueryPoolByIndex(CachePool, Offset+Length, ppInternalBlocks+Length+1) == FALSE)
		goto l_error;

	if (front_broken == TRUE)
	{
		DO_READ_VERIFY(CachePool, &CachePool->Storage, ppInternalBlocks[0]);
		_write_data(ppInternalBlocks[0], front_offset, Buf, front_skip);
		Buf += front_skip;
	}

	for (i = 0; i < Length; i++)
	{
		DO_READ_VERIFY(CachePool, &CachePool->Storage, ppInternalBlocks[i+1]);
		_write_data(ppInternalBlocks[i+1], 0, Buf, BLOCK_SIZE);
		Buf += BLOCK_SIZE;
	}

	if (end_broken == TRUE)
	{
		DO_READ_VERIFY(CachePool, &CachePool->Storage, ppInternalBlocks[Length+1]);
		_write_data(ppInternalBlocks[Length+1], 0, Buf, end_cut);
		Buf += end_cut;
	}

	ASSERT(Buf - origBuf == origLen);
	Ret = TRUE;
l_error:
	if (ppInternalBlocks != NULL)
		ExFreePoolWithTag(ppInternalBlocks, CACHE_POOL_TAG);
	return Ret;
}
Ejemplo n.º 3
0
/**
 * Write Update Cache Pool with Buffer
 */
VOID WriteUpdateCachePool(
	PCACHE_POOL CachePool,
	PUCHAR Buf, LONGLONG Offset, ULONG Length
#ifdef READ_VERIFY
	,PDEVICE_OBJECT LowerDeviceObject
	,ULONG DiskNumber
	,ULONG PartitionNumber
#endif
)
{
	PUCHAR origBuf;
	ULONG i, front_offset, front_skip, end_cut, origLen;
	PCACHE_BLOCK pBlock;
	BOOLEAN front_broken, end_broken;

	origBuf = Buf;
	origLen = Length;

	detect_broken(Offset, Length, front_broken, end_broken, front_offset, front_skip, end_cut);
	Offset /= BLOCK_SIZE;
	Length /= BLOCK_SIZE;

	if (front_broken)
	{
		if (_QueryPoolByIndex(CachePool, Offset-1, &pBlock) == TRUE)
		{
			DO_READ_VERIFY(CachePool, &CachePool->Storage, pBlock);
			_write_data(pBlock, front_offset, Buf, front_skip);
		}
		Buf += front_skip;
	}
	for (i = 0; i < Length; i++)
	{
		LONGLONG Index = Offset + i;
		if(_QueryPoolByIndex(CachePool, Index, &pBlock) == TRUE)
		{
			DO_READ_VERIFY(CachePool, &CachePool->Storage, pBlock);
			_write_data(pBlock, 0, Buf, BLOCK_SIZE);
		}
		else if (_IsFull(CachePool) == FALSE)
		{
			pBlock = _AddNewBlockToPool(CachePool, Index, Buf, FALSE);
			ADD_TO_WBQUEUE_SAFE(pBlock);
		}
		else
		{
			pBlock = _FindBlockToReplace(CachePool, Index, Buf, FALSE);
			ADD_TO_WBQUEUE_SAFE(pBlock);
		}
		Buf += BLOCK_SIZE;
	}
	if (end_broken)
	{
		if (_QueryPoolByIndex(CachePool, Offset+Length, &pBlock) == TRUE)
		{
			DO_READ_VERIFY(CachePool, &CachePool->Storage, pBlock);
			_write_data(pBlock, 0, Buf, end_cut);
		}
		Buf += end_cut;
	}
	ASSERT (Buf - origBuf == origLen);
}
Ejemplo n.º 4
0
int writeKeyFile() {
	FILE *fp[3];
	char buf[128];
	int proceed = 1;

	/* create ~/.pppauth if necessary */
	if ( ! _dir_exists(_key_file_dir()) ) {
		mkdir(_key_file_dir(), S_IRWXU);
	}

	/* warn about overwriting an existing key */
	if ( _file_exists(_key_file_name()) ) {
		proceed = 0;
		fprintf(stderr, "\n"
		    "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"
			"@    WARNING: YOU ARE ABOUT TO OVERWRITE YOUR KEY FILE!   @\n"
			"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"
			"\n"
			"IF YOU PROCEED, YOUR EXISTING PASSCARDS WILL BECOME USELESS!\n"
			"\n"
			"If this is not what you intended to do, type `NO' below.\n"
			"\n"
			"By typing `yes' below, a new sequence key will be generated\n"
			"and you will no longer be able to log in using your existing\n"
			"passcards.  New passcards must be printed.\n"
			"\n"
		);

		proceed = confirm("Are you sure you want to proceed (yes/no)? ");
	}

	if (proceed) {
		_enforce_permissions();

		umask(S_IRWXG|S_IRWXO);
		fp[0] = fopen(_key_file_name(), "w");
		fp[1] = fopen(_cnt_file_name(), "w");
		fp[2] = fopen(_gen_file_name(), "w");
		if (fp[0] && fp[1] && fp[2]) {
			_write_data(seqKey(), fp[0]);
			fclose(fp[0]);

			_write_data(currPasscodeNum(), fp[1]);
			fclose(fp[1]);

			_write_data(lastCardGenerated(), fp[2]);
			fclose(fp[2]);

			memset(buf, 0, 128);

			fprintf(stderr, "\n"
				"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"
				"  A new sequence key has been generated and saved.  It is\n"
				"  HIGHLY RECOMMENDED that you IMMEDIATELY print new pass-\n"
				"  cards in order to access your account in the future.\n"
				"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"
				"\n"
			);
			return 1;
		}
	} else {
		fprintf(stderr, "\n"
			"===========================================================\n"
			"  A new sequence key WAS NOT generated and your old key\n"
			"  remains intact.  As a result, you can continue to use\n"
			"  your existing passcards to log into your account.\n"
			"===========================================================\n"
			"\n"
		);
	}

	return 0;
}